Tagged: Android

I have a kindle with keyboard. I love the hardware. Its easy on eyes, easy to carry and stays “on” forever. That said I have stopped reading on my kindle. I mostly read on my mobile. There are a couple of reasons. I always have my mobile. I can read a chapter when...

Couple of weeks back I bought a few iTags. These are simple BLE buttons. They have a small led, a button and a buzzer. CR2032 – a 3v coin cell battery powers it. Since they are Bluetooth Low Energy devices, a single cell can power them for years. It’s easy to change batteries...

I have used MIT’s AppInventor in class rooms. All non-professional programmers appreciate how easy it is to use AppInventor to create apps. I have also seen lot of professionals using it to create one time use apps including me. It’s a great tool except you can’t generate an iOS app. On the side...

Nomie is a simple and usable tracker. What makes it better is it doesn’t have artificial restrictions, doesn’t lock you down, its private, customizable and has great API support if you are a DIY kind of Quantified Self practitioner. But none of these matter if the app is not usable or useful. So...

In most BLE scenarios, Android app is a client (GATT Client). But one can also use Android as a GATT Server. There are use-cases where running a GATT Server on Android can be useful. For example let’s say you want a desktop app to display SMS notifications. It’s easy to write a GATT...

Why run a web app on Android you might ask. When I am travelling my second phone is always on and is capturing data (time, gps, ODB via bluetooth etc). Along with mobile I would love to have a couple of ESP8266/Sensor combo devices to capture data on the go. I don’t want...

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